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NOVEL ELECTRO-SPUN SULFUR WIRE FOR FABRICATING MATTES OF LITHIUM SULFUR BATTERIES

United States Patent Application

20180047978
A1
View the Complete Application at the US Patent & Trademark Office
The invention relates to lithium-based battery systems and, more particularly, to electro-spinable solution compositions, electro-spun sulfur-polymer fibers, e.g., wires and yarns, and their use in preparing high performance sulfur mattes, e.g., electrodes, for lithium-sulfur batteries with potential applications in small-scale mobile devices. The sulfur-polymer fibers have nanoscale dimensions and yarn-like morphology. The sulfur-polymer fibers can be prepared by co-dissolving sulfur and polymer in a solvent for forming the electro-spinable solution, and electrospinning the solution. The electrospun fibers can be used to form a composite that includes alternating layers of the electrospun fibers and polymer on a current collector.
KUMTA, PRASHANT N. (PITTSBURGH, PA), HANUMANTHA, PRASHANTH JAMPANI (PITTSBURGH, PA), GATTU, BHARAT (PITTSBURGH, PA), SHANTHI, PAVITHRA MURUGAVEL (PITTSBURGH, PA)
UNIVERSITY OF PITTSBURGH-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION (PITTSBURGH PA)
15/ 555,143
March 14, 2016
GOVERNMENT SUPPORT OR FUNDING [0002] This invention was made with government support under #EE0006825 awarded by the Department of Energy (DOE). The government has certain rights in the invention.